People who "THINK" they are something that in reality they are NOT, however, they don't realize this, due to their lack of brains,therefor they imitate others personalities in order to feel good with themselves.
Usually teenagers that work in fast food restaurants who use their whole salary to fancy themselves as preps ALSO goth even if they can't tell the difference between punk-rock and pop-rock or between a public school and a Private Preparatory.

Poser, follower, a charlatan of sorts. One who copies or immitates all or most of the aspects dealing with their idol. They may wish to have certain clothing, skills, vocabulary, etc., of their idols instead of their own. Most likely a wannabe is lacking in self confidence and is looking for guidance.

Someone who wants to be what they are not.

1. Someone trying too hard to fit in with a specific crowd of peepz. They usually change the way they act, dress and or talk.

2. A faker, a poser

(A.) Someone who wants to be something else and fit in a crowd, someone who tries to act like someone they want to be even though it's obvious that they're just a stupid wannabe.

'wannabe', is a slang version of the actual english equivilant - 'want to be'. there are several ways in which the term can be expressed: in example a) someone who wants to be someone else, they may aspire to the person in question's fashion sense (general appearance), ideas, attitude or music. whereas in b) the noun form of wannabe is infact an insult. it is very likely that you would see this in practice on any of the following, an up and coming popstar, a goth, a chav/townie, and sometimes even old spinsters. all of these stereotypical groupings of people will certainly have wannabes among them. a common one i find in everyday life is that of a wannabe goth. these are people who attempt to dress all in black and wear long matrix like jackets with excessive eyeliner and dye their hair a rather pitiful rainbow colour. someone who is a fully fledged and well known goth will have no worries at being called a wannabe; but small insignificant losers that shop in tammy, mk one, b-wise, and other cheap reproduction shops are a very strong form of wannabes. they will buy overly baggy trousers from tammy, teamed up with a tight black top from mk-one - possibly with already fastened on safety pins and shitty fishnet sleeves, then a un...

A wannabe :
an individual who tries really hard to be someone their not, often by copying others

someone attempting to emulate a person or genre of people but failing and earning the disgust of those he is attempting to become like